[Openvpn-users] WARNING: 'auth' is used inconsistently, local='auth [null-digest]', remote='auth SHA256'

[Ralf H. <Ral...@ch...>]

I'm getting the message:

Oct 29 14:57:17 vpn-zaki tcp[36376]: 109.41.1.45:9652 WARNING: 'auth' is used inconsistently, local='auth [null-digest]', remote='auth SHA256'

on the server side log -- for all my clients. The server config (2.5.0) says:

cipher AES-256-GCM
data-ciphers AES-256-GCM:AES-256-CBC:AES-128-GCM:AES-128-CBC:BF-CBC
auth SHA256

and the client config says:

cipher AES-256-CBC
auth SHA256

As far as I can see "auth SHA256" is used consistently.
So why does it report "auth [null-digest]"?

Ralf Hildebrandt
Charité - Universitätsmedizin Berlin
Geschäftsbereich IT | Abteilung Netzwerk

Campus Benjamin Franklin (CBF)
Haus I | 1. OG | Raum 105
Hindenburgdamm 30 | D-12203 Berlin

Tel. +49 30 450 570 155
ral...@ch...
https://www.charite.de